555327778080 has 192 divisors, whose sum is σ = 1804925928960. Its totient is φ = 143441854464.

The previous prime is 555327778009. The next prime is 555327778091. The reversal of 555327778080 is 80877723555.

It is a super-2 number, since 2×555327778080² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555327778080.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2061436 + ... + 2315204.

It is an arithmetic number, because the mean of its divisors is an integer number (9400655880).

Almost surely, 2^555327778080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555327778080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902462964480).

555327778080 is an abundant number, since it is smaller than the sum of its proper divisors (1249598150880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555327778080 is a wasteful number, since it uses less digits than its factorization.

555327778080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253931 (or 253923 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 57.

The spelling of 555327778080 in words is "five hundred fifty-five billion, three hundred twenty-seven million, seven hundred seventy-eight thousand, eighty".